FR2999609B1 - Procede de renforcement de l'acier par effets thermochimiques et effet de re-austenitisation - Google Patents

Procede de renforcement de l'acier par effets thermochimiques et effet de re-austenitisation

Info

Publication number
FR2999609B1
FR2999609B1 FR1261994A FR1261994A FR2999609B1 FR 2999609 B1 FR2999609 B1 FR 2999609B1 FR 1261994 A FR1261994 A FR 1261994A FR 1261994 A FR1261994 A FR 1261994A FR 2999609 B1 FR2999609 B1 FR 2999609B1
Authority
FR
France
Prior art keywords
austenitisation
effect
reinforcing steel
thermochemical effects
thermochemical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR1261994A
Other languages
English (en)
Other versions
FR2999609A1 (fr
Inventor
Philippe Lapierre
Jerome Lardinois
Jean Grunewald
Luc Herrmann
Florence Funck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR1261994A priority Critical patent/FR2999609B1/fr
Publication of FR2999609A1 publication Critical patent/FR2999609A1/fr
Application granted granted Critical
Publication of FR2999609B1 publication Critical patent/FR2999609B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C21D1/42—Induction heating
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/34—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in more than one step
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/80—After-treatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatment Of Articles (AREA)
FR1261994A 2012-12-13 2012-12-13 Procede de renforcement de l'acier par effets thermochimiques et effet de re-austenitisation Expired - Fee Related FR2999609B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1261994A FR2999609B1 (fr) 2012-12-13 2012-12-13 Procede de renforcement de l'acier par effets thermochimiques et effet de re-austenitisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1261994A FR2999609B1 (fr) 2012-12-13 2012-12-13 Procede de renforcement de l'acier par effets thermochimiques et effet de re-austenitisation

Publications (2)

Publication Number Publication Date
FR2999609A1 FR2999609A1 (fr) 2014-06-20
FR2999609B1 true FR2999609B1 (fr) 2014-12-19

Family

ID=47882224

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1261994A Expired - Fee Related FR2999609B1 (fr) 2012-12-13 2012-12-13 Procede de renforcement de l'acier par effets thermochimiques et effet de re-austenitisation

Country Status (1)

Country Link
FR (1) FR2999609B1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5541908A (en) * 1978-09-14 1980-03-25 Hinode Kinzoku Netsuren Kk Surface hardening method of steel
FR2524006B1 (fr) * 1982-03-23 1985-10-11 Air Liquide Procede de durcissement superficiel de pieces metalliques
GB8310102D0 (en) * 1983-04-14 1983-05-18 Lucas Ind Plc Corrosion resistant steel components
JP3701036B2 (ja) * 1993-12-27 2005-09-28 株式会社神戸製鋼所 高強度歯車
US6235128B1 (en) * 1999-03-08 2001-05-22 John C. Chang Carbon and alloy steels thermochemical treatments
JP3931276B2 (ja) * 2001-12-13 2007-06-13 光洋サーモシステム株式会社 真空浸炭窒化方法
JP2006241480A (ja) * 2005-02-28 2006-09-14 Nsk Ltd 転がり支持装置、転がり支持装置の転動部材の製造方法、鋼の熱処理方法
JP4872846B2 (ja) * 2007-07-30 2012-02-08 住友金属工業株式会社 窒化歯車用粗形品および窒化歯車

Also Published As

Publication number Publication date
FR2999609A1 (fr) 2014-06-20

Similar Documents

Publication Publication Date Title
HUE040276T2 (hu) Eljárás metabolikus rendellenességek kezelésére
ZA201401438B (en) Methods for treating cardiovascular disorders
HK1207109A1 (en) Methods and compositions for treating amyloid deposits
PL2847344T3 (pl) Ciągły lub półciągły proces obróbki biomasy
IL228030B (en) Compounds for the treatment of gout and gout-related metabolic disorders
ZA201407411B (en) Process for treating biomass
ZA201404422B (en) Methods for treating cardiovascular disorder
HK1209319A1 (en) Methods for treating hepatitis c
ZA201407311B (en) Steel for wheel
IL229590A0 (en) Nesting compounds designed to treat 1ape-mediated diseases
HK1202297A1 (en) Methods for treating acne
HK1216848A1 (zh) 用於治療胃腸道病症的方法
IL235317A0 (en) A compound for the treatment of metabolic disorders
EP2881196A4 (fr) Procédé de coulée continue d'acier
HK1209320A1 (en) Methods for treating hepatitis c
HRP20180417T1 (hr) Pripravak za liječenje poremećaja hipoaktivne seksualne želje
EP2908813A4 (fr) Composés permettant de traiter un trouble médié par la rac-gtpase
SG10201602487SA (en) Agent for improving or maintaining qol
HK1209040A1 (en) Methods for treating vestibulotoxicity
FR2999609B1 (fr) Procede de renforcement de l'acier par effets thermochimiques et effet de re-austenitisation
EP2736517A4 (fr) Composition pharmaceutique pour traiter une dermatite atopique
EP2928480A4 (fr) Traitement d'une obstruction des voies aériennes par des moules bronchiques
IL229329B (en) A molecule for the treatment of inflammatory diseases
ZA201308902B (en) Quinone compounds for treating ape1 mediated diseases
GB201219042D0 (en) NEMS for carbon nanostructures

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 4

ST Notification of lapse

Effective date: 20170831